Completely irrelevant to us and this list, we use what mainline
Fedora
uses and there's already been a discussion on devel@ about this.

http://www.phoronix.com/scan.php?page=article&item=lfcollab_2012_clang
"Of the benefits they see for bringing up their ARM Linux kernel on Clang is that
there's better diagnostics (error reporting / warnings, catching things GCC
doesn't), Clang provides some level of "fix-it hints", and Clang's
static analyzer is extremely powerful. "
"Mark Charlebois also mentioned how Qualcomm likes LLVM's flexibility, targeting
all "cores" of ARM SoCs, having one code generator for many different
environments, etc. "We want a single compiler toolchain.""
Best Regards,
Guillaume FORTAINE